Find the Value of the Linear Correlation Coefficient R A) 0246
B) -0

question 143

Multiple Choice

Find the value of the linear correlation coefficient r.
-The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands) : $$\begin{array} { c | r r r r r r r r } \text { Cost } & 9 & 2 & 3 & 4 & 2 & 5 & 9 & 10 \\\hline \text { Number } & 85 & 52 & 55 & 68 & 67 & 86 & 83 & 73\end{array}$$

• A) 0.246
• B) -0.071
• C) 0.235
• D) 0.708

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Definitions:

Decoding

The process of interpreting or giving meaning to a message or information received, especially in communication.

Basic Communication

The fundamental process of exchanging information through speaking, writing, or other mediums, essential for human interaction and relationships.

First Step

The initial action or decision in a series that leads to a process or course of action; often critical to the direction and outcome of the process.

Lengel-Daft Contingency Model

A theory that suggests the effectiveness of information richness in communication varies with the nature of the task or situation.